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Area code 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan,
- Area code 231 - Simple English Wikipedia, the free encyclopedia
Area code 231 is a telephone area code in the state of...
- Area code 231 - Simple English Wikipedia, the free encyclopedia
Area code 231 is a telephone area code in the state of Michigan in the United States. It primarily serves the northwestern part of the Lower Peninsula, including cities such as Traverse City , Muskegon , and Ludington .
Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay .
Area code 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan, Map of area code 231 in Michigan.
This is a list of telephone area codes in the U.S. state of Michigan: 231 – Northwestern Lower Michigan: Traverse City, Ludington, Muskegon, Petoskey, Big Rapids and Cheboygan; 248 – Northern Metro Detroit: All of Oakland County, Northville, and most of Northville Township; overlays with area code 947
Area codes in Germany (German: Vorwahl) have two to five digits. In addition, the prefix digit 0 must be dialed when calling from within Germany, and must be omitted when calling from abroad. When calling via fixed networks within the same area, the area code is not required.
